1.) Assume that the weight w=3000N. What is the acceleration of
the crate?
2.) Find the speed of the masses after the weight w=3000N has
dropped a distance of 1.6m after being released from rest. Find
this speed two ways: using kinetmatics and the acceleration derived
in the previous subquestion, and using energy considerations.
Homework Answers
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1.) Assume that the weight w=3000N. What is the acceleration of
the crate?
2.) Find the...
a.) What is the MAXIMUM weight w that can be used to hold this crate stationary...
a.) What is the MAXIMUM weight w that can be used to hold this
crate stationary on the ramp? Include free-body diagrams of the two
masses.
b.) Now assume that the weight w=3000N. What is the acceleration
of the crate?
c.) Find the speed of the masses after the weight w=3000N has
dropped a distance of 1.6m after being released from rest. Find
this speed two ways: using kinetmatics and the acceleration derived
in the previous subquestion, and using energy...
What is the MAXIMUM weight ww that can be used to hold this crate stationary on...
What is the MAXIMUM weight ww that can be used to hold
this crate stationary on the ramp? Include free-body diagrams of
the two masses.
Now assume that the weight w=3000N. What is the acceleration of
the crate?
Find the speed of the masses after the weight w=3000N has
dropped a distance of 1.6m after being released from rest. Find
this speed two ways: using kinetmatics and the acceleration derived
in the previous subquestion, and using energy considerations.
A 2000-N...
A 2000-N crate is to be held in place on a ramp that rises at 30.0°...
A 2000-N crate is to be held in place on a ramp that rises at 30.0°
above the horizontal (see figure). The massless rope attached to
the crate makes a 22.0° angle above the surface of the ramp. The
coefficients of friction between the crate and the surface of the
ramp are μk=0.450 and μs=0.650. The pulley has no appreciable
mass or friction.
A. What is the MAXIMUM weight w that can be used to hold
this crate stationary on...
figure). The massless rope attached to the crate makes a 22.0 angle above the surface of...
figure). The massless rope attached to the crate makes a 22.0 angle above the surface of the ramp. The coefficients of friction between the crate and the surface of the ramp are μ 0450 and ps 0.650. The pulley has no mass and is frictionless. What is the MAXIMUM hangin weight w that can be used if this crate remains stationary on the ramp? 10) A 1520-N crate is to be held in place on a ramp that rises at...
1. A block with weight W = 30 N is on a flat horizontal surface. You...
1. A block with weight W = 30 N is on a flat horizontal surface. You pull to the right with a force F = 16 N. There is gravity present and the coefficient of friction is static = 0.4 and kinetic - 0.25. You are also pulling straight up with an applied force of 12 N. Now what are: The normal force N-_ the frictional force f- the net force on the block Foot and acceleration a = 2....
1. Three blocks with masses m1 = 5.00 kg, m 2 = 10.0 kg, and ,n3...
1. Three blocks with masses m1 = 5.00 kg, m 2 = 10.0 kg, and ,n3 15.0 kg are connected by massless strings which run over two frictionless pulleys. Block 1 sits on a highly polished plane inclined at an angle θ-30.0° above the horizontal. The coefficient of friction between block 1 and the plane is μk1 = 0.200, Block 2 sits on a horizontal surface and the coefficient of friction between block 2 and the surface is Alk2 =...
Sample Class Problems-Force and Acceleration Prob#l: Two people are pushing a stalled car (the ma...
Sample Class Problems-Force and Acceleration Prob#l: Two people are pushing a stalled car (the mass of the car is 1850kg). One person applies a force to the car, while the other applies a force of 395N. Both forces act in the same of 560N also acts on the car, but in a direction opposite force arises because of friction and the extent to which the pavement opposes Find the acceleration of the car. direction. A third force to that in...
a.) What is the MAXIMUM weight w that can be used to hold this
crate stationary on the ramp? Include free-body diagrams of the two
masses.
b.) Now assume that the weight w=3000N. What is the acceleration
of the crate?
c.) Find the speed of the masses after the weight w=3000N has
dropped a distance of 1.6m after being released from rest. Find
this speed two ways: using kinetmatics and the acceleration derived
in the previous subquestion, and using energy...
What is the MAXIMUM weight ww that can be used to hold
this crate stationary on the ramp? Include free-body diagrams of
the two masses.
Now assume that the weight w=3000N. What is the acceleration of
the crate?
Find the speed of the masses after the weight w=3000N has
dropped a distance of 1.6m after being released from rest. Find
this speed two ways: using kinetmatics and the acceleration derived
in the previous subquestion, and using energy considerations.
A 2000-N...
A 2000-N crate is to be held in place on a ramp that rises at 30.0°
above the horizontal (see figure). The massless rope attached to
the crate makes a 22.0° angle above the surface of the ramp. The
coefficients of friction between the crate and the surface of the
ramp are μk=0.450 and μs=0.650. The pulley has no appreciable
mass or friction.
A. What is the MAXIMUM weight w that can be used to hold
this crate stationary on...
figure). The massless rope attached to the crate makes a 22.0 angle above the surface of the ramp. The coefficients of friction between the crate and the surface of the ramp are μ 0450 and ps 0.650. The pulley has no mass and is frictionless. What is the MAXIMUM hangin weight w that can be used if this crate remains stationary on the ramp? 10) A 1520-N crate is to be held in place on a ramp that rises at...
1. A block with weight W = 30 N is on a flat horizontal surface. You pull to the right with a force F = 16 N. There is gravity present and the coefficient of friction is static = 0.4 and kinetic - 0.25. You are also pulling straight up with an applied force of 12 N. Now what are: The normal force N-_ the frictional force f- the net force on the block Foot and acceleration a = 2....
1. Three blocks with masses m1 = 5.00 kg, m 2 = 10.0 kg, and ,n3 15.0 kg are connected by massless strings which run over two frictionless pulleys. Block 1 sits on a highly polished plane inclined at an angle θ-30.0° above the horizontal. The coefficient of friction between block 1 and the plane is μk1 = 0.200, Block 2 sits on a horizontal surface and the coefficient of friction between block 2 and the surface is Alk2 =...
Sample Class Problems-Force and Acceleration Prob#l: Two people are pushing a stalled car (the mass of the car is 1850kg). One person applies a force to the car, while the other applies a force of 395N. Both forces act in the same of 560N also acts on the car, but in a direction opposite force arises because of friction and the extent to which the pavement opposes Find the acceleration of the car. direction. A third force to that in...
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